Ithaca
New York, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Ithaca, NY

A stream of water flowing downstream from the Taughannock Waterfall in Ithaka, New York
A stream of water flowing downstream from the Taughannock Waterfall in Ithaka, New York
December, the first month of the winter, in Ithaca, is also a wintry month, with temperature in the range of an average high of 35.2°F (1.8°C) and an average low of 21°F (-6.1°C).

Temperature

In Ithaca, the average high-temperature drops, from a chilly 47.1°F (8.4°C) in November, to a wintry 35.2°F (1.8°C). In December, the average low-temperature is 21°F (-6.1°C).

Rainfall

In Ithaca, during December, the rain falls for 15 days and regularly aggregates up to 2.4" (61.2mm) of precipitation. In Ithaca, during the entire year, the rain falls for 156 days and collects up to 35.1" (892.3mm) of precipitation.

Snowfall

Months with snowfall in Ithaca are January through May, October through December.

Daylight

With an average of 9.1h of daylight, December has the shortest days of the year in Ithaca.

Sunshine

Months with the least sunshine in Ithaca are November and December, with an average of 3h of sunshine.

UV index

Months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 1 transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in Ithaca?

In Ithaca, New York, in December, the average high-temperature is 35.2°F (1.8°C), and the average low-temperature is 21°F (-6.1°C).

How much does it rain in Ithaca in December?

In December, in Ithaca, New York, the rain falls for 15 days. Throughout December, 2.4" (61.2mm) of precipitation is accumulated.

How much does it snow in Ithaca in December?

Throughout December, in Ithaca, 13.2" (335.3mm) of snow is accumulated.

What is the month with the shortest days in Ithaca?

With an average of 9.1h of daylight, December has the shortest days of the year.

How many hours of daylight does Ithaca have in December?

The average length of the day in December in Ithaca is 9.1h.

What is the month with the least sunshine in Ithaca?

Months with the least sunshine in Ithaca are November and December, with an average of 3h of sunshine.

How many hours of sunshine does Ithaca have in December?

In Ithaca, the average sunshine in December is 3h.

What are the months with the lowest UV index in Ithaca?

Months with the lowest UV index are January and December, with an average maximum UV index of 1.

What is the UV index intensity in December in Ithaca?

The average daily maximum UV index in December in Ithaca, New York, is 1. A UV Index of 2, and less, symbolizes a low health threat from the exposure to the Sun's UV radiation.
Average temperature in December - Ithaca, NY
  • Average high temperature in December: 35.3°F

The warmest month (with the highest average high temperature) is July (80.9°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in December: 21°F

The month with the highest average low temperature is July (58.4°F).
The coldest month (with the lowest average low temperature) is February (15.2°F).

Average rainfall in December - Ithaca, NY
  • Average rainfall in December: 2.4"

Wettest months (with the highest rainfall) are June and July (3.6").
The driest month (with the lowest rainfall) is February (1.9").

Average rainfall days in December - Ithaca, NY
  • Average rainfall days in December: 15 days

Months with the highest number of rainy days are January and December (15 days).
Months with the lowest number of rainy days are August and September (11 days).

Average snowfall in December - Ithaca, NY
  • Average snowfall in December: 13.2"

The month with the highest snowfall is January (15.5").
Months with the lowest snowfall are June, July, August and September (0").

Average daylight in December / Average sunshine in December - Ithaca, NY
  • Average daylight in December: 9.1h

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.1h).

  • Average sunshine in December: 3h

The month with most sunshine is July (Average sunshine: 10h).
Months with least sunshine are November and December (Average sunshine: 3).

Average UV index in December - Ithaca, NY
  • Average UV index in December: 1

Months with the highest UV index are June, July and August (UV index 8).
Months with the lowest UV index are January and December (UV index 1).